Answer:
3x+8
Step-by-step explanation:
2x+bc=5x+8
bc=5x-2x+8
bc=3x+8
ab(b-3)
ab-3b+b^2-3a
(-3a+ab)(-3b+b^2)
a(b-3) b(b-3)
Answer: 20 centimeters
B
20,575,296
PEMDAS parenthesis, exponents, multiplication, division, addition, subtraction 63^2 * 72^2=20575296
